EPITHELIUM
EPITHELIAL TISSUES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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is a waterproof protein found in certain types of epithelium and it is resistant to friction while repelling bacteria.
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collagen
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keratin
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mucous
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reticula
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Explanation:
Detailed explanation-1: -The cells of the surface layer may or may not contain keratin, a tough protective protein which prevents water loss, is resistant to friction and repels bacteria. Keratinized, stratified squamous epithelium forms the epidermis of the skin.
Detailed explanation-2: -Cells in the epidermis contain a structural matrix of keratin, which makes this outermost layer of the skin almost waterproof, and along with collagen and elastin gives skin its strength.
Detailed explanation-3: -b) In keratinized stratified squamous epithelium, a tough layer of keratin (a protein resistant to friction and repels bacteria) is deposited in the surface cells.
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